Taxon: Cystopteris fragilis (L.) Bernh.

Summary

Genus:

Cystopteris

Family:

Cystopteridaceae

Nomen number:

456017

Place of publication:

Neues J. Bot. 1(2):27. 1805 ("1806")

Verified:

06/23/2008 ARS Systematic Botanists.

Accessions:

1 (1 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym
Polypodium fragile L.

Autonym(s)
Cystopteris fragilis (L.) Bernh. var. fragilis

No images

Conservation Status

Reference(s)

Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Botanical Society of the British Isles. BSBI taxon database (on-line resource).
Davidse, G. et al., eds. 1994. Flora mesoamericana.
FNA Editorial Committee. 1993-. Flora of North America.
Iwatsuki, K. et al. 1993-. Flora of Japan.
Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054.
Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:57-58.
Tryon, R. M. et al. 1991. Part IV. (17. Dryopteridaceae). In: Tryon, R. M. & R. G. Stolze, eds., Pteridophyta of Peru. Fieldiana, Botany new ser. 27:92.
Tutin, T. G. et al., eds. 1993. Flora europaea, ed. 2.

Common names

Language	Name	seq	Citation
English	brittle bladder fern	1	Botanical Society of the British Isles. BSBI taxon database (on-line resource).
English	brittle fern	1	FNA Editorial Committee. 1993-. Flora of North America.
English	fragile fern	1	FNA Editorial Committee. 1993-. Flora of North America.
Swedish	stenbräken	2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Reference
1	Native	Asia-Temperate	Eastern Asia	Japan		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Europe	Eastern Europe	Russian Federation	Astrakhan	Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:57-58.
1	Native	Europe	Eastern Europe	Russian Federation	Saratov	Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:57-58.
1	Native	Europe	Eastern Europe	Russian Federation	Volgogradskaja oblast'	Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:57-58.
1	Native	Europe	Southeastern Europe	Greece
1	Native	Europe	Southeastern Europe	Italy
1	Native	Europe	Southwestern Europe	France
1	Native	Northern America	Eastern Canada	Canada	New Brunswick	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Newfoundland and Labrador	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Nova Scotia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Ontario	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Prince Edward Island	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	Canada	Québec	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Eastern Canada	St. Pierre and Miquelon		FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Illinois	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Iowa	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Kansas	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	New York	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northern Mexico	Mexico	Baja California Sur
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua
1	Native	Northern America	Northern Mexico	Mexico	Coahuila de Zaragoza
1	Native	Northern America	Northern Mexico	Mexico	Durango
1	Native	Northern America	Northern Mexico	Mexico	Nuevo León
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí
1	Native	Northern America	Northern Mexico	Mexico	Sinaloa
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Idaho	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Montana	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Oregon	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Washington	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	South-Central U.S.A.	United States	Texas	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas	Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Northern America	Southern Mexico	Mexico	Guanajuato
1	Native	Northern America	Southern Mexico	Mexico	Guerrero
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo
1	Native	Northern America	Southern Mexico	Mexico	México
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo
1	Native	Northern America	Southern Mexico	Mexico	Morelos
1	Native	Northern America	Southern Mexico	Mexico	Nayarit
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca
1	Native	Northern America	Southern Mexico	Mexico	Puebla
1	Native	Northern America	Southern Mexico	Mexico	Querétaro
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	California	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Nevada	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southwestern U.S.A.	United States	Utah	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	Canada	Northwest Territories	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	Canada	Yukon	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Subarctic America	Greenland
1	Native	Northern America	Subarctic America	United States	Alaska	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Alberta	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Manitoba	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Nunavut	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Western Canada	Canada	Saskatchewan	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Pacific	North-Central Pacific	United States	Hawaii
1	Native	Southern America	Brazil	Brazil
1	Native	Southern America	Central America	Costa Rica		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	El Salvador
1	Native	Southern America	Central America	Guatemala		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Honduras		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Nicaragua		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Panama		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Northern South America	Venezuela
1	Native	Southern America	Southern South America	Argentina
1	Native	Southern America	Southern South America	Chile
1	Native	Southern America	Western South America	Bolivia
1	Native	Southern America	Western South America	Colombia
1	Native	Southern America	Western South America	Ecuador		Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
1	Native	Southern America	Western South America	Peru

Native
Asia-Temperate

EASTERN ASIA: Japan

Europe

EASTERN EUROPE: Russian Federation [Astrakhan, Saratov, Volgogradskaja oblast']
SOUTHEASTERN EUROPE: Greece, Italy
SOUTHWESTERN EUROPE: France

Northern America

SUBARCTIC AMERICA: Canada [Northwest Territories, Yukon], Greenland, United States [Alaska]
EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick, Newfoundland and Labrador], St. Pierre and Miquelon
WESTERN CANADA: Canada [Saskatchewan, Alberta, Manitoba, Nunavut]
NORTHEASTERN U.S.A.: United States [Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New York, Pennsylvania]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Nebraska, North Dakota, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Washington, Wyoming]
SOUTHEASTERN U.S.A.: United States [Virginia]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
NORTHERN MEXICO: Mexico [Baja California Sur, Chihuahua, Coahuila de Zaragoza, Durango, Nuevo León, San Luis Potosí, Sinaloa, Tamaulipas]
SOUTHERN MEXICO: Mexico [Chiapas, Guanajuato, Guerrero, Hidalgo, México, Michoacán de Ocampo, Morelos, Nayarit, Oaxaca, Puebla, Querétaro]

Pacific

NORTH-CENTRAL PACIFIC: United States [Hawaii]

Southern America

CENTRAL AMERICA: Costa Rica, Guatemala, Honduras, Nicaragua, Panama, El Salvador
NORTHERN SOUTH AMERICA: Venezuela
BRAZIL: Brazil
WESTERN SOUTH AMERICA: Bolivia, Colombia, Ecuador, Peru
SOUTHERN SOUTH AMERICA: Argentina, Chile

Reference(s)

Davidse, G. et al., eds. 1994. Flora mesoamericana.
FNA Editorial Committee. 1993-. Flora of North America.
Iwatsuki, K. et al. 1993-. Flora of Japan.
Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:57-58.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=456017. Accessed 12 May 2026.